surfaces enough to transmit to another person
In March the CDC warned that COVID-19 can remain in the air for up to three hours, and live on surfaces such as plastic and stainless steel for up to three days... They now say now say that the novel virus “does not spread easily” from touching contaminated surfaces or objects.
https://www.foxnews.com/health/cdc-now-says-coronavirus-does-not-spread-easily-via-contaminated-surfaces
and the NIH study said the masks are ineffective at stopping droplet transmission of any virus.